PT. Jamkrida Bali Mandara is a Credit Guarantee Institution in Bali, Indonesia. Reformulating business strategies is needed as a part of their strategies to win business competition and to achieve the goal of company. The objectives of this study are: identifying its internal strengths and weaknesses, as well as its external opportunities and threats; finding out the accurate business model and strategy of PT. Jamkrida Bali Mandara to grow and win the business. The analytical method used is descriptive qualitative analysis method, mapping current business models, SWOT analysis of current business models and designing new business model innovations. Data collection methods used is thorough interviews and observations by determining the population and a sample of 20 people. SWOT analysis with IFAS matrix shows result of 3.116 and EFAS matrix shows of 3.160 which are in Quadrant I in IE Matrix. So that market penetration and development and product development are strategies that must be done to increase credit guarantee. There are several policies in the future that need attention for the management of PT. Jamkrida Bali Mandara as follows: a) Market Development, b) Product Development, c) Automated business process using information and Tecnology, and d) Business Partner Development.